TMPRSS2
Chr 21transmembrane serine protease 2
Also known as: PRSS10
This protein is a plasma membrane-anchored serine protease that cleaves proteins at arginine residues and participates in proteolytic cascades important for normal prostate function. The gene is extremely tolerant to loss-of-function variants (very low constraint), and no Mendelian diseases have been definitively associated with TMPRSS2 mutations in pediatric populations. While the protein facilitates viral entry including SARS-CoV-2 and influences prostate cancer progression, these are not monogenic pediatric neurogenetic conditions.
Population Genetics & Constraint
gnomAD v4 — loss-of-function & missense intolerance
Typical tolerance to LoF variation
Mild missense constraint
This gene has evidence for multiple mechanisms of pathogenicity (dominant-negative and gain-of-function). Both the Badonyi & Marsh prediction and the broader genomic evidence point to dominant-negative as the predominant mechanism. Different variants in this gene may act through different mechanisms — interpret in context of the specific variant.
Note: In-silico variant effect predictors (SIFT, PolyPhen, REVEL, CADD) may underestimate pathogenicity of missense variants in genes with GOF or DN mechanisms. Consider functional evidence and clinical context.
Predictions from Badonyi M, Marsh JA. PLoS ONE. 2024;19(8):e0307312.
ClinVar Variant Classifications
138 submitted variants in ClinVar
Classification Summary
Curated Variants Distribution
Classified variants from ClinVar · 5 ACMG categories
| Classification | LoF | Missense + Inframe | Non-coding | Synonymous | Total |
|---|---|---|---|---|---|
Pathogenic | 0 | 0 | 73 | 0 | 73 |
Likely Pathogenic | 0 | 0 | 2 | 0 | 2 |
VUS | 1 | 16 | 6 | 0 | 23 |
Likely Benign | 0 | 6 | 2 | 3 | 11 |
Benign | 0 | 6 | 0 | 5 | 11 |
| Total | 1 | 28 | 83 | 8 | 120 |
LoF = frameshift, stop gained/lost, canonical splice · Counts from ClinVar esearch · Updated hourly
View in ClinVar →Protein Context — Lollipop Plot
TMPRSS2 · protein map & ClinVar variants
Showing all ClinVar variants across the protein. Search a specific variant to highlight its position.
External Resources
Links to major genomics databases and tools
Clinical Trials
Active and recruiting trials from ClinicalTrials.gov
Comparing the Reliability of Expressed Prostatic Secretion (EPS) and Post Massage Urine (PMU) for the Prediction of Prostate Cancer Biopsy Outcome
ACTIVE NOT RECRUITINGCirculating Tumor Cell Analysis in Patients With Localized Prostate Cancer Undergoing Prostatectomy
RECRUITINGIn Men With Metastatic Prostate Cancer, What is the Safety and Benefit of Lutetium-177 PSMA Radionuclide Treatment in Addition to Chemotherapy
ACTIVE NOT RECRUITINGComparative Study of Radiotherapy Treatments to Treat High Risk Prostate Cancer Patients
ACTIVE NOT RECRUITINGThe Predictive Value of Coexisting TMPRSS2-ERG Gene Fusion and PTEN Deletion in Prostate Cancer Patients with Biochemical Failure Status Post Salvage or Radical Radiation Therapy
RECRUITINGEDRN Prostate MRI Biomarker Study
RECRUITINGProsTIC Registry of Men Treated With PSMA Theranostics
RECRUITINGA Study of Apabetalone in Subjects With Long -COVID
RECRUITINGProBio: A Biomarker Driven Study in Patients With Metastatic Prostate Cancer
RECRUITINGThe Role of Obesity in Severe COVID-19 Pathophysiology
RECRUITINGMolecular Mechanisms of Dutasteride and Dietary Interventions to Prevent Prostate Cancer and Reduce Its Progression
ACTIVE NOT RECRUITINGExternal Resources
Links to major genomics databases and tools